#ifndef _NR_COMPLEX_H_
#define _NR_COMPLEX_H_

#ifndef _FCOMPLEX_DECLARE_T_
typedef struct FCOMPLEX {float r,i;} fcomplex;
#define _FCOMPLEX_DECLARE_T_
#endif /* _FCOMPLEX_DECLARE_T_ */

fcomplex Cadd(fcomplex a, fcomplex b);
fcomplex Csub(fcomplex a, fcomplex b);
fcomplex Cmul(fcomplex a, fcomplex b);
fcomplex Complex(float re, float im);
fcomplex Conjg(fcomplex z);
fcomplex Cdiv(fcomplex a, fcomplex b);
float Cabs(fcomplex z);
fcomplex Csqrt(fcomplex z);
fcomplex Clog(fcomplex z);
fcomplex Cexp(fcomplex z);
fcomplex RCmul(float x, fcomplex a);
fcomplex RCadd(float x, fcomplex a);